Page 226
Epson Research and Development
Vancouver Design Center
20.3 Clocks vs. Functions
The S1D13506 has five clock signals. Not all clock signals must be active for certain chip
functions to be carried out. The following table shows which clocks are required for each
chip function.
Table 20-1: Clocks vs. Functions
Required Clocks
Function
BUSCLK
LCD PCLK
CRT/TV PCLK
MCLK
MediaPlug Clock
Register
read/write
Yes
No
No
No
No
LCD LUT
read/write
Yes
Yes
Yes
--
--
--
--
--
--
CRT/TV LUT
read/write
Yes
Memory
read/write
Yes
Yes
--
--
--
--
Yes
Yes
--
--
2D Operation
MediaPlug
Registers
read/write
Yes
--
--
--
--
--
--
--
Yes
--
Power Save
Note
The S1D13506 contains sophisticated power management that dynamically shuts down
clocks when not needed.
S1D13506
X25B-A-001-10
Hardware Functional Specification
Issue Date: 01/02/06